Temporary paralysis, daily vomiting, seizures, coughing up
''black stuff'', violent mood swings and insomnia were all
par for the course for those addicted to psychoactive
substances, a former addict says.

The synthetic cannabis product K2 was associated with 13% of
admissions to an inpatient psychiatric ward in Dunedin,
including one patient with homicidal thoughts, during a
three-and-a-half-month audit done earlier this year.